Total Score: 100 %
1
CATEGORY anatomy
QUESTION Backward effects of left-sided heart failure include:
CORRECT ANSWER A) Pulmonary congestion
YOUR ANSWER A) Pulmonary congestion
Deoxygenated blood from the right ventricle flows through the right and left pulmonary arteries to the right and left lung. After entering the lungs, the branches subdivide, finally emerging as
RATIONALE
capillaries which surround the alveoli and release the carbon dioxide in exchange for oxygen.
The capillaries unite gradually and assume the characteristics of veins. These veins join to form the pulmonary veins, which return the oxygenated blood to the left atrium. Backflow of blood through the left atrium result in left-sided heart failure.
2
CATEGORY anatomy
QUESTION
Oxygen saturation is likely to be lowest when an asthmatic with a diagnosis of pneumonia is positioned: CORRECT ANSWER C) Lying on the right side
YOUR ANSWER C) Lying on the right side
Ventilation and perfusion distribute to the dependent lung fields. In a patient with pneumonia in
RATIONALE
the right lung, positioning with the right lung down would send more blood flow to the consolidated, nonventilated areas of the lung and produce a worse V/Q mismatch, which would decrease oxygen diffusion into the blood and produce a lower arterial oxygen saturation.
3
CATEGORY anatomy
QUESTION Which of the following is true of the biological functions of testosterone?
CORRECT ANSWER D) Testosterone is needed for development of male secondary sexual characteristics.
YOUR ANSWER D) Testosterone is needed for development of male secondary sexual characteristics.
RATIONALE
Testosterone is needed for development of male secondary sexual characteristics. 4
CATEGORY anatomy
QUESTION Which of the following is true of the biological functions of progesterone?
CORRECT ANSWER A) Progesterone is the most important hormone associated with pregnancy.
YOUR ANSWER A) Progesterone is the most important hormone associated with